Tool bit



FIG. 1 is a perspective view of a tool bit showing my new design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a right side view of FIG. 1;

FIG. 6 is a top plan view of FIG. 1; and,

FIG. 7 is a bottom plan view of FIG. 1.

The broken lines in the figures are for illustrative purposes only and depict portions of the design that form no part of the claim. 

The ornamental design for a tool bit, as shown and described. 